How fast do mountains grow?

Answer 1

The speed at which mountains grow depends on the type of mountains. Mountains formed by seismic activity may form almost instantly if there is a violent upheaval in the earth. Volcanic mountains tend to form over a period of years as lava accumulates.

Answer 2

Mountains at plate boundaries where one plate is pushing against another tend to grow. India is pushing against Asia, so the Himalayas are growing. The pacific plate is sliding under South America, so the Andes are growing. Nothing is happening on the east coast of the United States. The Appalachians are weathering and shrinking.

Answer 3

it take several years